Ok just wanted to thank everyone who has help me with this project so far.
As for progress, I've managed to add sound and also squashed a small bug where the wild symbols were not paying right.
Appearance wise nothing has changed so there is little point in putting up another screen shot yet.
However I am expecting more material soon which I hope will make the game look much nicer.
As I mentioned before, it already plays quite well but these things never play quite the same as the real game so I am experimenting with different playing profiles to see which seems most accurate. I suspect the real game adapts its profile depending on whether it wants to pay out of not by for example making 7's more likely to be picked or throwing out more cherries - I'll experiment with the same thing & see if that plays any better.
Already thinking about what to do afterwards & got a couple of games in mind but will let you know when this one is closer to completion.
From what I can gather these machines don't use random numbers to generate each symbol, they have a win table of £ values of for example 10000 values. with only 1 of those being jackpot, 100 being £100, 200 being £50, 300 being £20 etc.. and 8000 being no win. If they didn't have this type of scenerio builder there would be many more jackpots -1 symbol etc. than there are.. It's a pain in the arse to build this sort of profile, but it's the only sort that seems like the real machines as I tried to go through the 100% random symbol route and on most S16 this just plays unlike the real machines.
Hope this helps.
rgds J